Answer : 1 8% excess Explanation : Answer: A) 8% excess Explanation: Since Area of Rectangle = side1 x side2Therefore, error% in area= x y xy100 %= [20 - 10 ( -10 x 20)/100]% or 8% i.e. 8% excess.

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In measuring the sides of a rectangle, one side is taken 20% in excess and the other 10% in deficit. Find the error per cent in area calculated from the measurement ?

Answer : 1 8% excess Explanation : Answer: A) 8% excess Explanation: Since Area of Rectangle = side1 x side2Therefore, error% in area= x y xy100 %= [20 - 10 ( -10 x 20)/100]% or 8% i.e. 8% excess.

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